He often helps the poor children giving the money.
A. with
B. by
C. in
D. to
网友回答
A. with
(答案→)B. by
C. in
D. to
解析：
试题分析:此句的含义是他经常通过给他们金钱来帮助那些穷孩子.介词短语by+doing sth表示通过做某事表示的一种方式..固定短语help sb with sth表示帮助某人做某事,with的后面是名词或代词;help sb to do sth表示帮助某人做某物to的后面要跟动词原形, 故选 C.